Seat ring for butterfly valve



FIG. 1 is a perspective view of a seat ring for a butterfly valveshowing our new design;

FIG. 2 is a front view thereof, the rear view is identical thereto;

FIG. 3 is a right side view thereof, the left side view is identicalthereto;

FIG. 4 is a top plan view thereof, the bottom plan view is identicalthereto;

FIG. 5 is a cross-sectional view taken along line 5-5 shown in FIG. 2;

FIG. 6 is a cross-sectional view taken along line 6-6 shown in FIG. 3;

FIG. 7 is a cross-sectional view taken along line 7-7 shown in FIG. 3;and,

FIG. 8 is a cross-sectional view of the seat ring for a butterfly valvein use with the butterfly valve.

The broken lines shown in the figures are included for the purpose ofillustrating environment and form no part of the claimed design.

CLAIM The ornamental design for a seat ring for butterfly valve, asshown and described.